// Copyright (c) Microsoft
// All rights reserved
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
// THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABLITY OR NON-INFRINGEMENT.
// See the Apache Version 2.0 License for specific language governing permissions and limitations under the License.

/// <summary>Test 'copy_to' member function on array_views without a data source</summary>
// RUN: %amp_device -D__GPU__ %s -m32 -emit-llvm -c -S -O3 -o %t.ll && mkdir -p %t
// RUN: %llc -march=c -o %t/kernel_.cl < %t.ll
// RUN: cat %opencl_math_dir/opencl_math.cl %t/kernel_.cl > %t/kernel.cl
// RUN: pushd %t && objcopy -B i386:x86-64 -I binary -O elf64-x86-64 kernel.cl %t/kernel.o && popd
// RUN: %cxxamp %link %t/kernel.o %s -o %t.out && %t.out
#include <amp.h>
#include"../../../../../amp.compare.h"
#include"../../../../../../device.h"
using namespace Concurrency;
using namespace Concurrency::Test;

/*
* Testing 'copy_to' on array_view object created without data source.
* Source => array_view without data source , before p_f_e
* Destination => array object
*/
int test1(const accelerator_view &av)
{
	int result;
	const int M = 256;
	const int N = 256;
		
	array_view<int,2> arrViewSrc(M,N);
	array<int,2> arrDest(M,N);
	
	arrViewSrc.copy_to(arrDest); // Copying to Array
	result &= VerifyDataOnCpu(arrViewSrc,arrDest);
	return result;
}

/*
* Testing 'copy_to' on array_view object created without data source.
* Source => array_view without data source , before p_f_e
* Destination => array_view with data source
*/
int test2(const accelerator_view &av)
{
	int result;
	const int M = 256;
	const int N = 256;
		
	array_view<int,2> arrViewSrc(M,N);
	std::vector<int> destVect( M * N , -1 );
	array_view<int,2> arrViewDest(M,N,destVect);
	
	arrViewSrc.copy_to(arrViewDest); // Copying to Array
	arrViewDest.synchronize();
	result &= VerifyDataOnCpu(arrViewSrc,arrViewDest);
	return result;
}
int main()
{
    accelerator_view av = require_device().get_default_view();
    int res = 1;

    res &= test1(av);
    res &= test2(av);
    return !res;
}

